A Morphological Study of Coronoid Process of Adult Human Dry Mandibles
Journal Title: Journal of Medical Science And clinical Research - Year 2018, Vol 6, Issue 4
Abstract
Background: The coronoid process of mandible is a thin & triangular eminence which is flattened from side to side and varies in shape & size. The different variation in the shape of the coronoid process are like rounded, triangular & hook shaped. These variations occurs may be due to the functional or hereditary changes and has a strong correlation with the mode of attachment of the temporalis muscle. These shapes of the coronoid process acts as an evolutionary marker & is very useful in the anthropological studies as well as in the forensic studies. The coronoid process has also great clinical significance to the maxillofacial surgeons for the reconstructive surgeries. This coronoid process can be easily harvested as a donor bone. Therefore, we study about the incidence of different shapes of coronoid process in the mandible in population of Bihar & compare it with findings of different studies. Materials & Methods: The present study is a cross sectional study which has been carried out on 264 dried fully ossified adult human mandibles (528 Sides) which were segregated as 144 male (288 sides) and 120 female (240 sides) mandibles. The age of the bones used in the study was not predetermined. Result: We observed three different shapes of coronoid process i.e. triangular, hook & rounded Shaped. The triangular shaped coronoid process was reported in 349 (66.10%) sides, the hook shaped was reported in 116 (21.97%) sides & the round shaped was reported only in 63 (11.93%) sides. So, triangular shaped coronoid process was most commonly reported in our study while round shaped was least commonly. The bilateral occurrences of all the three types were more common. The incidence of all the three types of shape were more common in male mandible as compared to female. The bilateral occurrences of all these three types were also more common in male mandibles as compared to female. Conclusion: The detail knowledge about the different morphological shapes of the coronoid process of mandible is useful for the dental surgeons in oral & maxillofacial surgeries.
Authors and Affiliations
Md. Jawed Akhtar
Keywords
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